const Koa = require('koa');
const app = new Koa()
const fs = require('fs')

const main = (ctx) => {
  if (ctx.url === '/') {
    ctx.body = 'hello world'
  } else if (ctx.url === '/home') {
    ctx.body = 'hello home'
  } else if (ctx.url === '/about') {

    // const content = fs.readFileSync('./about.html')
    // ctx.body = content.toString()

    const content = fs.createReadStream('./about.html')
    ctx.body = content
    
  }
}

app.use(main)

app.listen(3000, () => {
  console.log('listening on 3000');
})